datastream, year, month, tod,n, min, max, mean, std
twpcmbeC1.c1,2004,05 0:30:00,31 ,       0,0.536909,0.065079,0.150163
twpcmbeC1.c1,2004,05 1:30:00,31 ,       0,0.462895,0.044389,0.114881
twpcmbeC1.c1,2004,05 2:30:00,31 ,       0,0.429705, 0.02625,0.090309
twpcmbeC1.c1,2004,05 3:30:00,31 ,       0,0.146434, 0.01032,0.033271
twpcmbeC1.c1,2004,05 4:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,05 5:30:00,31 ,       0,0.005347,0.000552,0.001478
twpcmbeC1.c1,2004,05 6:30:00,31 ,0.064452,38.43465,13.15453,14.35112
twpcmbeC1.c1,2004,05 7:30:00,31 , 0.12162,113.2438, 45.7984,36.23148
twpcmbeC1.c1,2004,05 8:30:00,31 ,0.181844,191.1126,78.80946,62.38226
twpcmbeC1.c1,2004,05 9:30:00,31 ,0.543069,242.7967,97.52626, 73.9891
twpcmbeC1.c1,2004,0510:30:00,31 ,0.666066,290.6247,115.2002, 91.3513
twpcmbeC1.c1,2004,0511:30:00,31 ,2.361325,370.3391,127.9031,96.72323
twpcmbeC1.c1,2004,0512:30:00,31 ,1.449199,328.0737,154.0334,90.42526
twpcmbeC1.c1,2004,0513:30:00,31 ,1.396588, 307.034,148.0889,85.34402
twpcmbeC1.c1,2004,0514:30:00,31 ,       0,292.0198,122.4429,81.37266
twpcmbeC1.c1,2004,0515:30:00,31 ,0.264349,248.9537,77.93219,72.79279
twpcmbeC1.c1,2004,0516:30:00,31 ,       0,148.2798,34.51415,40.95838
twpcmbeC1.c1,2004,0517:30:00,31 ,       0,47.67469,9.320625,14.65547
twpcmbeC1.c1,2004,0518:30:00,31 ,       0,0.025298,0.004576,0.006206
twpcmbeC1.c1,2004,0519:30:00,31 ,       0,       0,       0,       0
twpcmbeC1.c1,2004,0520:30:00,31 ,       0,0.064997,0.002097,0.011674
twpcmbeC1.c1,2004,0521:30:00,31 ,       0,0.423708,0.028833,0.093855
twpcmbeC1.c1,2004,0522:30:00,31 ,       0,0.492085,0.059194,0.123435
twpcmbeC1.c1,2004,0523:30:00,31 ,       0,0.443566,0.079239,0.123259